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The United States
Abstract
This chapter applies the ? model to the United States of America. By assuming that the US is a ‘world-system,' we can measure the economic efficiency of each state (and the District of Columbia). The model predicts an output floor based on the inputs of land and people as per-unit energy-equivalents. This expected output is then compared to the actual Gross State Product (GSP) as a per-unit energy-equivalent. States that are economically efficient register a positive residual, and hence a positive ? score. However, given potential measurement inaccuracies, states with low negative scores are also added to this efficient tier.
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